Stepping exerciser



FIG. 1 is a perspective view of the stepping exerciser;

FIG. 2 is a front elevation view thereof;

FIG. 3 is the rear view thereof;

FIG. 4 is the left side view thereof;

FIG. 5 is the right side view thereof;

FIG. 6 is the top view thereof; and,

FIG. 7 is the bottom view thereof.

The ornamental design for a stepping exerciser, as shown and described.